I ran 68 main jets, a 5.5 power valve, 30cc accelerator pump, a pink cam in the #1 position and 72 secondary jets in the Holley carb, but it ALWAYS had this annoying stumble just off idle-I give up! {this carb would probably work fine on a milder engine with 15 inches of vacuum; I only have 10}

Owner caption July 2009 · Photo 181 of 473